Patent Number: 6,167,516

Title: Data file authentication device

Abstract: A device receives at one input (2) data of a file to be processed, and includes a processing module (5) which at the start of receiving the file, react by three operative stages. These stages include first stage of inserting data blocks from the file into a source memory (MS), after transformation, a second continuous stage of processing each data block of the file, transformed and inserted into the source memory (MS), and a third stage of generating a signature from the transformed, inserted and processed blocks.

Inventors: Camion; Paul (Plaisir, FR), Sendrier; Nicolas (Le Chesnay, FR), Cordier; Fran.cedilla.ois (Bagneux, FR), Kalfon; Pierre (Paris, FR)

Assignee: Inria Institut National de Recherche en Informatique et en Automatique Cogenit

International Classification: G06F 12/14 (20060101); G06F 1/00 (20060101); G06F 21/00 (20060101); H04L 9/32 (20060101); H04L 009/00 (); H04K 001/00 ()

Expiration Date: 12/26/2017